vue实现点击高亮和鼠标滑动高亮

绑定两个class，通过设置成立条件，判断是否添加当前class

<template>
  <div>
        <div v-for="item in items" 
         :key="item.id"
         @click="change(item.name)" 
         :class="{active : active == item.name,
         active1:active1==item.name}